000 00513nam a2200097Ia 4500
008 120223s9999 xx 000 0 und d
082 _a371.1 MAT
100 _aMathur, V.S.
245 _aStudies in educational techniques and practices
260 _bJullundur
_aDhanpat Rai & sons
_c0
999 _c151400
_d151400